首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can als
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can als
admin
2011-01-01
111
问题
Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can also【67】health significantly. Environmental Protection Agency studies【68】that indoor levels of pollutants may be 2-5 times, and【69】more than 100 times, higher than outdoor levels.
There are many sources of indoor air pollution in any【70】. These include combustion (燃烧) sources, products for home cleaning and【71】, personal care, or hobbies; central heating and cooling systems and humidification【72】; and outdoor air pollution.
【73】effects may show up after a single exposure or【74】exposures. These include irritation of the eyes, nose, and throat, headaches, dizziness, and【75】. Such effects are usually short-term and【76】. Sometimes the treatment is simply【77】the person’s exposure to the source of the pollution,【78】it can be identified.【79】of some diseases may also show up soon after exposure to some indoor air pollutants.
Certain effects are similar to those from colds or other viral (病毒引起的) diseases,【80】it is often difficult to【81】if the symptoms are a result of exposure to indoor air pollution.【82】this reason, it is important to pay attention to the time and place the symptoms【83】. If the symptoms fade or go away when a person is away from home and return when the person returns,【84】should be made to identify indoor air sources that may be possible【85】. Some effects may be made worse by an【86】supply of outdoor air or from the heating, cooling, or humidity conditions prevalent in the home.
选项
A、Positive
B、Exciting
C、Immediate
D、Mutual
答案
C
解析
根据本句时间状语after a single exposure选Immediate“即时的;即刻的”。其他选项的意思分别为:Positive“积极的,肯定的”,Exciting“令人激动的”,Mutual“相互的”。
转载请注明原文地址:https://kaotiyun.com/show/xRy7777K
0
大学英语四级
相关试题推荐
IsthereenoughoilbeneaththeArcticNationalWildlifeRefuge(保护区)(ANWR)tohelpsecureAmerica’senergyfuture?PresidentB
Surprisingly,nooneknowshowmanychildrenreceiveeducationinEnglishhospitals,stilllessthecontentorqualityofthate
Surprisingly,nooneknowshowmanychildrenreceiveeducationinEnglishhospitals,stilllessthecontentorqualityofthate
Thefirstmoving-picturetheaterwasprobablytheworkofHarryDavis,Pittsburgh’smostprosperousshowman.In1904,herented
Thefirstmoving-picturetheaterwasprobablytheworkofHarryDavis,Pittsburgh’smostprosperousshowman.In1904,herented
A、Sheneedsmoreeffortstohelpthestudents.B、Shehasmadesomeencouragingachievements.C、Sheislackoftimeforteaching.
Almostalltypesofjobscanbedonefromthehomefromfreelance(自由作家的)writing,transcription(誉写)tocustomerserviceandsales
TherecessionistakingaserioustollonAmericanretail,bute-commercecouldemergeasawinner.Accordingtoanewrepor
Inhisyouth,KnuteAxelbrodwantedtolearnmanylanguages,toknoweverythingabouthumanhistory,to【C1】______wisebyreadin
Inhisyouth,KnuteAxelbrodwantedtolearnmanylanguages,toknoweverythingabouthumanhistory,to【C1】______wisebyreadin
随机试题
下列关于扁骨的叙述,正确的是【】
男性,45岁,行胃大部切除手术,用于术后止痛的药物选用
如果合同中对履行地点约定不明确,则合同的履约地为()。
影响碾压混凝土坝施工质量的因素主要有()。
归因理论是从______来阐述行为动机的。
Itisillegalforapublicofficialtoaskpeopleforgiftsormoney______favorstothem.
海曙区南门街道万安社区所辖的书香苑居民小区,座落在万安路西边,2002年2月落成后入住228户人家。新建成的住宅区,空气清新,花木繁盛,活动会所齐备,能够为居民提供良好的安居和休闲环境,是一个可实现封闭管理的小区。原来由经房物业公司负责物业管理,但由于各种
下图是网络地址转换NAT的一个示例根据图中信息,标号为③的方格中的内容应为
对长度为10的线性表进行冒泡排序,最坏情况下需要比较的次数为
Thedecision______,thenextproblemwaswhentostarttheproject.
最新回复
(
0
)